MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ec901da405ea52104876cb36ddc08b640c68b14512a0d828027bcf4835dd61ed. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



Stealc


Vendor detections: 15


Intelligence 15 IOCs 1 YARA 2 File information Comments

SHA256 hash: ec901da405ea52104876cb36ddc08b640c68b14512a0d828027bcf4835dd61ed
SHA3-384 hash: b6fa73c591caf9c24a263ff506057925a9c451738c382e6a8b9e22c08c14f9c8300a86c709306dd0f00f53901d24e3ac
SHA1 hash: a4f560371a844fd44325ca84d8c15fd7bcf08791
MD5 hash: 1e6cb5a76ae2be7ec6dba511c9b622a8
humanhash: item-delaware-spring-nevada
File name:1e6cb5a76ae2be7ec6dba511c9b622a8.exe
Download: download sample
Signature Stealc
File size:265'728 bytes
First seen:2024-10-14 10:20:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 26a7df6d78a90bac0a71dda0842d4e4f (2 x Stealc)
ssdeep 3072:unm/NiujyXmhGKo+t5SqJzxB9ltFuPuGPPDMCGbXa+/T:++/jyXmhGzqpxB9XWuGPPQn
TLSH T14444F60122F16851EFBA8F324B29EF94263BBDE25F75625F21243A9F0C735B1C952712
TrID 34.5% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
25.8% (.EXE) InstallShield setup (43053/19/16)
18.7% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
6.3% (.EXE) Win64 Executable (generic) (10522/11/4)
3.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Magika pebin
File icon (PE):PE icon
dhash icon 0020303824320c00 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://178.159.43.166/89a010d49355fde0.php

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://178.159.43.166/89a010d49355fde0.php https://threatfox.abuse.ch/ioc/1336213/

Intelligence


File Origin
# of uploads :
1
# of downloads :
521
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1e6cb5a76ae2be7ec6dba511c9b622a8.exe
Verdict:
Malicious activity
Analysis date:
2024-10-14 10:22:34 UTC
Tags:
loader smokeloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
81.4%
Tags:
Phishing Hype Onli
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc fingerprint microsoft_visual_cc packed
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
SmokeLoader
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if the current machine is a virtual machine (disk enumeration)
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Detected unpacking (changes PE section rights)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1533079 Sample: F84J5S3vNx.exe Startdate: 14/10/2024 Architecture: WINDOWS Score: 100 21 nwgrus.ru 2->21 27 Multi AV Scanner detection for domain / URL 2->27 29 Suricata IDS alerts for network traffic 2->29 31 Found malware configuration 2->31 33 6 other signatures 2->33 7 F84J5S3vNx.exe 2->7         started        10 itcffgc 2->10         started        signatures3 process4 signatures5 35 Detected unpacking (changes PE section rights) 7->35 37 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->37 39 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 7->39 47 3 other signatures 7->47 12 explorer.exe 64 3 7->12 injected 41 Multi AV Scanner detection for dropped file 10->41 43 Machine Learning detection for dropped file 10->43 45 Maps a DLL or memory area into another process 10->45 process6 dnsIp7 23 200.45.93.45, 50051, 50052, 50053 TelecomArgentinaSAAR Argentina 12->23 25 nwgrus.ru 109.98.58.98, 49736, 49737, 49738 RTDBucharestRomaniaRO Romania 12->25 17 C:\Users\user\AppData\Roaming\itcffgc, PE32 12->17 dropped 19 C:\Users\user\...\itcffgc:Zone.Identifier, ASCII 12->19 dropped 49 System process connects to network (likely due to code injection or exploit) 12->49 51 Benign windows process drops PE files 12->51 53 Deletes itself after installation 12->53 55 Hides that the sample has been downloaded from the Internet (zone.identifier) 12->55 file8 signatures9
Verdict:
malicious
Label(s):
shellcode_loader_002 smokeloader
Similar samples:
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:smokeloader botnet:pub2 backdoor discovery trojan
Behaviour
Checks SCSI registry key(s)
Program crash
System Location Discovery: System Language Discovery
SmokeLoader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
a9918c23a31211ab32fdd163e49fc5313007d652e0896f6b923711378b459509
MD5 hash:
422b7b725003f71a15519c67313e3eef
SHA1 hash:
808f558da78522edaf9cee4a83365049adee2f08
Detections:
SmokeLoaderStage2 win_smokeloader_a2
SH256 hash:
ec901da405ea52104876cb36ddc08b640c68b14512a0d828027bcf4835dd61ed
MD5 hash:
1e6cb5a76ae2be7ec6dba511c9b622a8
SHA1 hash:
a4f560371a844fd44325ca84d8c15fd7bcf08791
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Stealc

Executable exe ec901da405ea52104876cb36ddc08b640c68b14512a0d828027bcf4835dd61ed

(this sample)

  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::DeleteVolumeMountPointA
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::ReadConsoleOutputW
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleA
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasesLengthA
KERNEL32.dll::GetConsoleWindow
KERNEL32.dll::GetConsoleFontSize
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
KERNEL32.dll::MoveFileA
KERNEL32.dll::GetFileAttributesW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
KERNEL32.dll::QueryDosDeviceA

Comments